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单词 ultimobranchial body
释义 DictionarySeebody

ultimobranchial body


ultimobranchial body

[¦əl·tə·mō′braŋ·kē·əl ′bäd·ē] (embryology) One of the small, endocrine structures which originate as terminal outpocketings from each side of the embryonic vertebrate pharynx; can produce the hormone calcitonin.

ultimobranchial body


ultimobranchial body

One of two embryonic pharyngeal pouches usually considered as rudimentary fifth pouches. They become separated from the pharynx and incorporated into the thyroid gland, where they give rise to parafollicular cells that secrete calcitonin, a hormone that lowers the blood calcium level. See also: body
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更新时间:2024/11/11 20:49:27